import com.splendo.kaluga.base.KalugaThread
import com.splendo.kaluga.base.runBlocking
import com.splendo.kaluga.test.base.BaseTest
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import kotlin.test.Test
import kotlin.test.assertFalse
import kotlin.test.assertTrue

/*
 * Copyright 2022 Splendo Consulting B.V. The Netherlands
 *
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *     you may not use this file except in compliance with the License.
 *     You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */

class IsOnMainThreadTest : BaseTest() {

    @Test
    fun testIsOnMainThread() = runBlocking(Dispatchers.Main) {
        assertTrue(KalugaThread.currentThread.isMainThread)
    }

    @Test
    fun testIsNotOnMainThread() = runBlocking(Dispatchers.Default) {
        assertFalse(KalugaThread.currentThread.isMainThread)
    }

    @Test
    fun testIsMainThreadFromBackground() = runBlocking(Dispatchers.Main) {
        val capturedThread = KalugaThread.currentThread
        withContext(Dispatchers.Default) {
            assertTrue(capturedThread.isMainThread)
        }
    }

    @Test
    fun testIsNotMainThreadFromMainThread() = runBlocking(Dispatchers.Default) {
        val capturedThread = KalugaThread.currentThread
        withContext(Dispatchers.Main) {
            assertFalse(capturedThread.isMainThread)
        }
    }
}
